diff options
author | Daniel Hellstrom <daniel@gaisler.com> | 2011-11-28 10:11:10 +0100 |
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committer | Daniel Hellstrom <daniel@gaisler.com> | 2015-04-17 01:10:15 +0200 |
commit | a31845f7f9b4770cf9ddd8b6820641d2f4f4c1da (patch) | |
tree | 0d7f215ec45d7c4cf6f1293af72ece2fbde1ddc3 /cpukit/libpci/pci_access_io.c | |
parent | leon3,ngmp: simplify cpucounter initialization (diff) | |
download | rtems-a31845f7f9b4770cf9ddd8b6820641d2f4f4c1da.tar.bz2 |
LIBPCI: added PCI layer to cpukit/libpci
Diffstat (limited to 'cpukit/libpci/pci_access_io.c')
-rw-r--r-- | cpukit/libpci/pci_access_io.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/cpukit/libpci/pci_access_io.c b/cpukit/libpci/pci_access_io.c new file mode 100644 index 0000000000..12e6699c65 --- /dev/null +++ b/cpukit/libpci/pci_access_io.c @@ -0,0 +1,48 @@ +/* PCI Access Library + * + * COPYRIGHT (c) 2010. + * Cobham Gaisler AB. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.com/license/LICENSE. + */ + +#include <pci.h> +#include <pci/access.h> + +/* Read a 8-bit register over PCI I/O Space */ +uint8_t pci_io_r8(uint32_t adr) +{ + return pci_access_ops.io.read8((uint8_t *)adr); +} + +/* Read a 16-bit I/O Register */ +uint16_t pci_io_r16(uint32_t adr) +{ + return pci_access_ops.io.read16((uint16_t *)adr); +} + +/* Read a 32-bit I/O Register */ +uint32_t pci_io_r32(uint32_t adr) +{ + return pci_access_ops.io.read32((uint32_t *)adr); +} + +/* Write a 8-bit I/O Register */ +void pci_io_w8(uint32_t adr, uint8_t data) +{ + pci_access_ops.io.write8((uint8_t *)adr, data); +} + +/* Write a 16-bit I/O Register */ +void pci_io_w16(uint32_t adr, uint16_t data) +{ + pci_access_ops.io.write16((uint16_t *)adr, data); +} + +/* Write a 32-bit I/O Register */ +void pci_io_w32(uint32_t adr, uint32_t data) +{ + pci_access_ops.io.write32((uint32_t *)adr, data); +} |